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LTC1272 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1272 Datasheet(HTML) 4 Page - Linear Technology |
4 / 22 page LTC1272 4 1272fc For more information www.linear.com/1272 DYNAMIC ACCURACY (Note 4) f SAMPLE = 250kHz (LTC1272-3), 111kHz (LTC1272-8) SYMBOL PARAMETER CONDITIONS LTC1272-XA/C UNITS MIN TYP MAX S/(N+D) Signal-to-Noise Plus Distortion Ratio 10kHz Input Signal 72 dB THD Total Harmonic Distortion (Up to 5th Harmonic) 10kHz Input Signal –82 dB Peak Harmonic or Spurious Noise 10kHz Input Signal –82 dB ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS LTC1272-XA/B/C UNITS MIN TYP MAX VIN Input Voltage Range 4.75V ≤ VDD ≤ 5.25V l 0 5 V IIN Input Current l 3.5 mA CIN Input Capacitance 50 pF tACQ Sample-and-Hold Acquisition Time l 0.45 1 µs TIMING CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 8) SYMBOL PARAMETER CONDITIONS LTC1272-XA/C UNITS MIN TYP MAX t1 CS to RD Setup Time l 0 ns t2 RD to BUSY Delay CL = 50pF COM Grade l 80 190 230 ns ns t3 Data Access Time After RD↓ CL = 20pF COM Grade l 50 90 110 ns ns CL = 100pF COM Grade l 70 125 150 ns ns t4 RD Pulse Width COM Grade l t3 t3 ns ns t5 CS to RD Hold Time l 0 ns t6 Data Setup Time After BUSY COM Grade l 40 70 90 ns ns t7 Bus Relinquish Time COM Grade l 20 20 30 75 85 ns ns t8 HBEN to RD Setup Time l 0 ns t9 HBEN to RD Hold Time l 0 ns t10 Delay Between RD Operations l 200 ns t11 Delay Between Conversions 1 µs t12 Aperture Delay of Sample and Hold Jitter <50ps 25 ns t13 CLK to BUSY Delay COM Grade l 80 170 220 ns ns tCONV Conversion Time l 12 13 CLK CYCLES |
Similar Part No. - LTC1272_15 |
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Similar Description - LTC1272_15 |
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